Sentences with phrase «of uranium metal»

Uranium - 235 is a naturally occurring isotope of Uranium metal.

By the end of the war, all that the projects had produced was a piece of uranium metal the size of a postage stamp, still unenriched with its light form.

The agency says the Hanford site in southeastern Washington, which manufactured more than 20 million pieces of uranium metal fuel for nine nuclear reactors near the Columbia River, is its biggest cleanup challenge.

In 1841, Eugène - Melchior Péligot, Professor of Analytical Chemistry at the Conservatoire National des Arts et Métiers (Central School of Arts and Manufactures) in Paris, isolated the first sample of uranium metal by heating uranium tetrachloride with potassium.

Not exact matches

West Perth - based uranium, precious and base metals explorer Emergent Resources Ltd will raise $ 5 million in its initial public offer to fund an exploration program of its existing tenements, the company has announced.

His experience has covered a diverse range of mineral activities including Iron Ore, Base Metals, Uranium, Minerals sands and Coal.

Another metal is uranium, with the current spot price of $ 31.63 per pound (as of August 21, 2014).

Prices for the metal have been depressed in the aftermath of the 2011 Fukushima nuclear accident in Japan, but the situation got so bad this year that Cameco, the world's largest publicly traded uranium miner, had to suspend production at multiple mines.

To address this problem, the research team prepared a new family of molecules with C = M = C cores where the metal was cerium [classed as a lanthanide] or thorium or uranium [which are classed as actinides] where two carbon atoms that are known to be strong donors were forced to be opposite to one another either side of the metal.»

«This makes the uranyl moiety very important, but also the universal view that the ITI was a niche concept of limited applicability dominated because it was restricted to high oxidation state actinide metals like uranium.

She reckoned that a rare form of old «metal poor» star, one with one - thousandth the iron content of our own young sun, carries an internal clock, one composed of the radioactive elements uranium and thorium.

Enriched uranium is manufactured into fuel rods that are encased in metal cladding made of alloys such as zirconium.

Such soluble species have been reported for the polycondensation of silicic acid (18), precipitation of aluminum oxyhydroxide (19), and aqueous solutions of hydrated ions of the transition metals iron, chromium, uranium, molybdenum, and tungsten (20).

For ores that contain even less concentrated uranium — McArthur River is the most concentrated active mine — the proportion of waste in radium and other radioactive elements (as well as toxic heavy metals such as arsenic and mercury) is even higher — and McArthur River's uranium is much less concentrated than the mines of the past like nearby Rabbit Lake or Shinkolobwe in the Democratic Republic of the Congo's Katanga Province.

For every metric ton of uranium ore pulled from McArthur River, roughly one metric ton of waste rock, often radioactive and rich in toxic heavy metals, is produced — and other mines produce even more waste rock per ton of ore.

Ratcheting up the pressure, the EPA and the Pennsylvania Department of Environmental Protection are both taking a closer look at the environmental costs of fracking and are investigating the uranium findings made by Tracy Bank, who continues to research how fracking impacts toxic metals.

They fear that uranium mining in the area could lead to the release of radioactivity and heavy metals like selenium into the Colorado River and its watershed, including within Grand Canyon National Park.

Rather than the pellets of uranium oxide used in other fast reactors and conventional reactors as fuel, GE would fabricate metal alloy fuels, with the plutonium or uranium mixed with zirconium metal.

REE mining usually includes open pit mining, which is a source of three major contaminants: radionuclides (including thorium and uranium), dust, and metals.

First, the plutonium, currently sitting in a powder form in sealed cans at Sellafield, would be downblended with uranium powder, then turned into a binary metal alloy, which would provide an initial level of proliferation resistance.

He has experience in the review of environmental conditions and remediation technology at major uranium districts in the USA, Canada and eastern Germany as well as other metal mines, particularly in North America.

The concentration of U235, expressed by percentage of weight in uranium, in a given quantity of uranium ore, uranium hexafluoride or uranium metal.

«Radionuclide and Heavy Metal Distribution in 20th Century Sediments of Major Streams in the Eastern Part of the Grants Uranium Region, New Mexico,» C.J. Popp, D.W. Love, J.W. Hawley, and K. Novo - Gradac, NM Inst.

Designing, fabricating and assembling a wide range of uranium, plutonium and thorium - bearing fuels, including oxides, carbides, nitrides, and metallic / metal matrix.

To obtain this much energy from this metal, it is necessary to enrich naturally occurring Uranium to contain at least 2 - 3 % Uranium - 235 instead of just 0.72 %.

Dr. Rosso's current projects include the following: (1) characterizing the kinetics and mechanisms of elementary charge and ion transport processes in redox transformation of iron oxide minerals, (2) predicting molecular - scale electron transfer kinetics in microbially - mediated reduction of bioavailable iron in subsurface environments, (3) studying mechanisms of heterogeneous reduction of contaminant U (VI) and Tc (VII) by Fe (II)- bearing minerals, (4) simulation of coupled charge and ion transport in transition metal oxide electrodes for advanced materials applications, (5) probing mechanisms and kinetics of mineral transformation to metal carbonates for geological carbon sequestration, and (6) studying mechanisms of uptake and retention of uranium in sediments.

All other sodium reactors use oxide fuels, while PRISM uses a metal fuel, an alloy of zirconium, uranium, and plutonium, and the fuel rods sit in a bath of liquid sodium at atmospheric pressure.

The data they provide can be used in other studies examining the oxidation state of uranium and other metal compounds.

Unlike the current generation of light - water nuclear reactors, PRISM uses metallic fuel, such as an alloy of zirconium, uranium, and plutonium, and PRISM's fuel rods sit in a bath of a liquid metal — sodium — at atmospheric pressure, which ensures that the transfer of heat from the metal fuel to the liquid sodium coolant is extremely efficient.

This radioactive metal is sometimes used in the production of nuclear weapons as a substitute for depleted Uranium.

Whereas most nuclear fuels in modern reactors are an oxide of uranium, the PRISM fuel will be metallic and will not contain metal oxides.

TOXIC METALS Here is a list of toxic metals: Aluminum, Antimony, Arsenic, Barium, Beryllium, Bismuth, Cadmium, Chromium, Cobalt, Gadolinium, Gallium, Lead, Manganese, Mercury, Nickel, Palladium, Platinum, Polonium, Plutonium, Silver, Thallium, Tin, Thorium, Tungsten, Uranium and VanMETALS Here is a list of toxic metals: Aluminum, Antimony, Arsenic, Barium, Beryllium, Bismuth, Cadmium, Chromium, Cobalt, Gadolinium, Gallium, Lead, Manganese, Mercury, Nickel, Palladium, Platinum, Polonium, Plutonium, Silver, Thallium, Tin, Thorium, Tungsten, Uranium and Vanmetals: Aluminum, Antimony, Arsenic, Barium, Beryllium, Bismuth, Cadmium, Chromium, Cobalt, Gadolinium, Gallium, Lead, Manganese, Mercury, Nickel, Palladium, Platinum, Polonium, Plutonium, Silver, Thallium, Tin, Thorium, Tungsten, Uranium and Vanadium.

Another shortcoming with hair tests is that gold, silver, uranium and other metals usually are not included as part of most laboratories» standard hair tests.

, published on the website < http://planetasustentavel.abril.com.br/noticia/ambiente/quando-recursos-minerais-se-esgotarao-648952.shtml >, based on information from the US Geological Survey, the US government agency responsible for geological research that crossed information on the annual consumption, mineral reserves available on the planet and its predictable extinction: 1) Platinum (use in surgical materials)-- Extinction by 2049; 2) Silver (use in the manufacture of mirrors and cutlery)-- Extinction in 2016; 3) Copper (use in wire and cable and air conditioning ducts)-- Extinction in 2027; 4) Antimony (use in remote controls and other materials to increase strength)-- Extinction 2020; 5) Lithium (use in cell phone batteries, laptops and video games)-- Extinction in 2053; 6) Phosphorus (use in agricultural fertilizers)-- Extinction in 2149; 7) Uranium (use for electric power generation)-- Extinction in 2026; 8) Indian (use in smartphones and tablets touch screen screens)-- Extinction in 2020; 9) Tantalum (use in cameras lenses)-- Extinction in 2027; 10) Nickel (use in metal alloy coating, electronics such as cell phones)-- Extinction in 2064; 11) Tin (use in coating metal alloys, such as those used in the soft drink cans)-- Extinction 2024; 12) Lead (use in car batteries and trucks and welds and bearings)-- Extinction in 2015; 13) Gold (use as jewelry and computer microchips)-- Extinction in 2043; 14) Zinc (use to cover alloys, preventing rust that destroy objects like coins)-- Extinction in 2041.

Zafris revels in quirky characters and unfamiliar places - her earlier book, The Metal Shredders was about a bunch of scrap - metal workers in Ohio, while Lucky Strike revolves around a diverse group of uranium prospectors in the middle of the Utah deMetal Shredders was about a bunch of scrap - metal workers in Ohio, while Lucky Strike revolves around a diverse group of uranium prospectors in the middle of the Utah demetal workers in Ohio, while Lucky Strike revolves around a diverse group of uranium prospectors in the middle of the Utah desert.

Now compare that price action with oil, uranium, copper or many of the other metals.

Discover how to make the most of your resource investments in this free special report, Mining Stocks: How to Spot the Best Uranium Stocks, Metal Stocks and Junior Mines, from TSI Network.

Heavy metals and toxic chemicals like depleted uranium and Agent Orange were used during these tests, with the result that residents of the island report the highest cancer rates in the Caribbean.

A: The way the fuel cycle is done now is: you mine uranium; you purify the metal; you convert it to oxide; you put it in a reactor in the form of pellets; it stays in there for about three years; you take it out, and you try to find someplace to put it.

Groundwater can be polluted not only from the heavy metals present in mine waste, but also from the traces of radioactive uranium still left in the waste.

Stoked by a large increase in global demand for metals, mining companies are staking thousands upon thousands of claims for gold, copper, uranium and other metals.

It is encouraging mining companies to exploit the deposits of gold, silver, zinc, diamonds, uranium and other minerals and metals found in abundance in the vast areas of the enormous Nunavut Territory, as well as the Yukon and Northwest Territories.

And he's talking lumber; and foods of all sorts; and iron, copper, tin and the other standard metals; and specialty metals like tantalum and platinum; and «rare earths» like neodymium and lanthanum (think «Prius»); and nuclear fuels like uranium; and just about everything else.